Skoda Octavia 1996 Service Manual page 107

OCTAVIA
Edition 05.97
S00.5105.51.20
Fuel Supply System
Testing fuel pump
Special tools, testers and aids required
♦ Hand-held multimeter (e.g. V.A.G 1526)
♦ Adapter cable set (e.g. V.A.G 1594)
♦ Remote control V.A.G 1348/3A with adapter
cable V.A.G 1348/3-2
♦ Wrench for union nut MP 1-227
♦ Current flow diagram
Test conditions
l Battery voltage at least 12 V
l Fuse 28 o.k.
l Fuel filter o.k.
Test procedure
- Switch on ignition.
The fuel pump should be heard to run. (A second
mechanic may be required for this step if
surrounding noise level is high).
If the fuel pump does not run:
- Switch off ignition.
- Connect remote control V.A.G 1348/3A with
adapter cable V.A.G 1348/3-2 ⇒ page 20-8.
- Operate remote control.
If the fuel pump runs:
Test fuel pump relay:
⇒ 1.6-ltr./74 kW Engine, Simos 2 Fuel Injection
and Ignition System; Repair Group 24; Test-
ing fuel pressure regulator and holding
pressure
20
¡ ¢ £
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